40725558907 has 12 divisors (see below), whose sum is σ = 44772013440. Its totient is φ = 37016986160.

The previous prime is 40725558901. The next prime is 40725558919. The reversal of 40725558907 is 70985552704.

It is a happy number.

It is not a de Polignac number, because 40725558907 - 2⁷ = 40725558779 is a prime.

It is a super-2 number, since 2×40725558907² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40725558901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787953 + ... + 838045.

It is an arithmetic number, because the mean of its divisors is an integer number (3731001120).

Almost surely, 2^40725558907 is an apocalyptic number.

40725558907 is a deficient number, since it is larger than the sum of its proper divisors (4046454533).

40725558907 is a wasteful number, since it uses less digits than its factorization.

40725558907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56834 (or 56823 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 40725558907 in words is "forty billion, seven hundred twenty-five million, five hundred fifty-eight thousand, nine hundred seven".